Triple
T2634344
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Jubilee line extension |
E59708
|
entity |
| Predicate | includesStation |
P33789
|
FINISHED |
| Object | Westminster Underground station |
E99700
|
NE FINISHED |
How this triple was built (3 steps)
Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.
NER
Named-entity recognition
gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: Westminster Underground station | Statement: [Jubilee line extension, includesStation, Westminster Underground station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Westminster Underground station Context triple: [Jubilee line extension, includesStation, Westminster Underground station]
-
A.
Westminster Underground Station
chosen
Westminster Underground Station is a central London Tube station serving the Westminster area, including key landmarks such as the Houses of Parliament and Big Ben.
-
B.
Charing Cross Underground station
Charing Cross Underground station is a central London Tube station on the Bakerloo and Northern lines, serving the Charing Cross mainline rail terminus and the surrounding West End area.
-
C.
Hyde Park Corner Underground station
Hyde Park Corner Underground station is a central London Tube station on the Piccadilly line, serving the area around Hyde Park, Mayfair, and Knightsbridge.
-
D.
Oxford Circus Underground station
Oxford Circus Underground station is a major London Underground interchange in the West End, serving the Bakerloo, Central, and Victoria lines at the junction of Oxford Street and Regent Street.
-
E.
South Kensington tube station
South Kensington tube station is a major London Underground station in central London serving the Circle, District, and Piccadilly lines, and providing access to several prominent museums and institutions.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: includesStation Context triple: [Jubilee line extension, includesStation, Westminster Underground station]
-
A.
associatedStationCategory
Indicates that one entity is linked to, or classified under, a particular category of station.
-
B.
servesAsThroughStationFor
Indicates that a station functions as an intermediate (through) stop for a particular service, route, or journey rather than as its starting or ending point.
-
C.
isMajorStationOn
Indicates that a station serves as a primary or significant stop on a particular route or line.
-
D.
hasStationGroup
chosen
Indicates that an entity is associated with, or belongs to, a particular group or collection of stations.
-
E.
junctionStation
Indicates that a station functions as a junction where multiple routes or lines intersect or connect.
- F. None of above.
Provenance (4 batches)
The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.
| Step | Stage | Batch ID | Status | When |
|---|---|---|---|---|
| creating | Elicitation | batch_69ab4ac8596c8190b34997e73d9e991c |
completed | March 6, 2026, 9:44 p.m. |
| NER | Named-entity recognition | batch_69abd8def9bc8190b2e013abffc7b191 |
completed | March 7, 2026, 7:50 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b1eecec6888190a0d8cb0729856bed |
completed | March 11, 2026, 10:38 p.m. |
| PD | Predicate disambiguation | batch_69abd812849881908f956845a80e0205 |
completed | March 7, 2026, 7:47 a.m. |
Created at: March 6, 2026, 9:50 p.m.